Development
Open
JSON Formatter
Format and minify JSON.
Все инструменты
Development
Open
JSON Validator
Validate JSON and show errors.
Development
Open
JWT Decoder
Decode header and payload from a JWT.
Development
Open
JWT Generator
Generate unsigned or HS256 JWT tokens.
Development
Open
Regex Tester
Test regex patterns against text.
Development
Open
UUID Generator
Generate v4 UUID values.
Crypto
Open
SHA Hash
Hash text using SHA-256/384/512.
Crypto
Open
HMAC Generator
Generate HMAC signatures in browser.
Web
Open
Basic Auth Header
Build Authorization headers.
Web
Open
HTTP Status Lookup
Look up HTTP status codes.
Web
Open
MIME Type Lookup
Find common MIME types and extensions.
Ops
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IP Subnet Calculator
Calculate network, mask and host range.
Data
Open
Base Converter
Convert between binary, decimal and hex.
Data
Open
CSV to JSON
Convert CSV text to JSON.
Data
Open
JSON to CSV
Convert a JSON array to CSV.
Data
Open
XML Formatter
Pretty print XML.
Data
Open
XML Validator
Validate XML.
Web
Open
URL Parser
Split a URL into parts.
Web
Open
Query Params Builder
Build or parse query strings.
Web
Open
UTM Builder
Generate UTM-tagged URLs.
Data
Open
Data Size Converter
Convert B, KB, MB, GB and TB.
Time
Open
Unix Time Converter
Convert unix timestamps and dates.
Time
Open
Date Difference
Calculate differences between dates.
Time
Open
Countdown Helper
Calculate time until or since a date.
Time
Open
Now / ISO Helper
Current local, UTC and ISO time.
Data
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Percent Calculator
Percent, increase and decrease helper.
Data
Open
Aspect Ratio Calculator
Resize while keeping ratio.
Data
Open
Unit Converter
Convert common length units.
Text
Open
Base64 Encode/Decode
Encode or decode Base64.
Text
Open
URL Encode/Decode
Encode or decode URL text.
Text
Open
HTML Escape/Unescape
Escape or unescape HTML entities.
Text
Open
Case Converter
Convert camel, pascal, snake and kebab.
Text
Open
Slug Generator
Generate URL-friendly slugs.
Text
Open
Lorem Ipsum
Generate placeholder paragraphs.
Text
Open
Text Stats
Count chars, words, lines and bytes.
Text
Open
Text Diff
Show simple line-by-line differences.
Text
Open
Line Deduper
Remove duplicate lines.
Text
Open
Line Sorter
Sort lines ascending or descending.
Text
Open
Text Replacer
Find and replace text.
Text
Open
Character Inspector
Inspect code points and bytes.
Text
Open
Unicode Escape/Unescape
Encode or decode unicode escapes.
Text
Open
ROT13
Apply ROT13 transform.
Text
Open
Text / Hex Converter
Convert text to hex and back.
Web
Open
HTTP Header Parser
Parse raw HTTP headers.
Web
Open
Meta Tag Generator
Generate HTML meta tags.
Web
Open
robots.txt Generator
Generate a robots.txt file.
Web
Open
Sitemap XML Generator
Build a sitemap.xml from URLs.
Ops
Open
htaccess Redirect Generator
Build redirect snippets for Apache.
Ops
Open
Nginx Location Generator
Build basic location/proxy snippets.
Crypto
Open
Password Generator
Generate strong passwords.
Crypto
Open
Random Token
Generate hex or base64url tokens.
Data
Open
Color Converter
Convert HEX, RGB and HSL.
Web
Open
CSS Unit Converter
Convert px, rem and em.
Text
Open
Markdown Preview Lite
Preview simple markdown.
Development
Open
SQL Formatter Lite
Format SQL with basic rules.
Development
Open
Semver Bump
Increase patch, minor or major version.
Text
Open
List Compare
Compare two lists of lines.
Crypto
Open
Password Strength Checker
Estimate password strength locally.
Web
Open
Email Obfuscator
Create obfuscated email variants.
Ops
Open
Cron Expression Helper
Explain 5-part cron expressions.
Media
Open
QR Code Styler
Generate beautiful QR codes as PNG or SVG.
Media
Open
Image Resizer
Resize images locally in the browser.
Media
Open
Image Format Converter
Convert PNG, JPEG and WebP images.
Media
Open
Image Compressor
Compress images with quality and max width controls.
Media
Open
Image Cropper
Center-crop images to common aspect ratios.
Media
Open
Image to Base64
Convert image files to Data URL and HTML snippets.
Media
Open
Favicon Generator
Generate common favicon sizes and link tags.
Media
Open
SVG Optimizer Lite
Preview and lightly minify SVG markup.
Media
Open
Palette Extractor
Extract the main colors from an image.
Media
Open
CSS Gradient Generator
Build gradients and copy ready-to-use CSS.
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